Battery and electric equipment

Abstract

The utility model relates to a battery and electric equipment. The battery comprises a battery cell, a protection plate and a reinforcing part, the battery cell is provided with a top sealing part protruding out of the end face of the body. The top sealing part and the end face of the body form at least one containing part. The protective plate is located in the accommodating portion. And the reinforcing part is fixed in the accommodating part. And the reinforcing part is fixedly connected with the top sealing part. The protection plate is fixedly connected to at least one of the reinforcing part and the top sealing part. According to the battery and the electric equipment provided by the invention, the structural strength of the protection plate can be ensured under the condition that the thickness of the protection plate is reduced, so that the head space of the battery is reasonably utilized, the energy density of the battery is improved, and the whole battery is light and thin.

Description

Technical Field

[0001] The present disclosure relates to the field of energy storage technology, and in particular to a battery and an electrical device. Background Art

[0002] When the battery is in use, a protection board is needed to control the current and voltage during the charge and discharge process to prevent overcharge or overdischarge, which can damage the battery and cause safety issues. Electronic components are placed on the protection board, and the battery cell tabs are electrically connected to the protection board to provide charge and discharge protection for the battery.

[0003] In related technologies, a protective plate is typically placed at the head of the battery cell. A thicker protective plate creates less headroom for the battery, hindering improvements in energy density. Consequently, thinning the protective plate is used to indirectly increase energy density and achieve overall battery thinness. However, a thinner protective plate also reduces structural strength, resulting in reduced reliability. Utility Model Content

[0004] The purpose of the present disclosure is to provide a battery and electrical equipment so that the structural strength of the protective plate can be guaranteed even when the thickness of the protective plate is reduced, so as to facilitate the rational use of the battery head space, improve the battery energy density, and achieve the overall lightness and thinness of the battery, so as to at least partially solve the problems of the related technology.

[0005] To achieve the above objectives, according to a first aspect of the present disclosure, a battery is provided. The battery comprises:

[0006] A battery cell, wherein the battery cell has a top seal portion protruding from an end surface of a body, wherein the top seal portion and the end surface of the body form at least one accommodating portion;

[0007] a protection plate located in the receiving portion; and

[0008] The reinforcing portion is fixed in the accommodating portion, the reinforcing portion is fixedly connected to the top sealing portion, and the protective plate is fixedly connected to at least one of the reinforcing portion and the top sealing portion.

[0009] Optionally, the top sealing portion includes a first wall surface, the protection plate includes a substrate, the substrate has a first mounting surface opposite to the first wall surface, and the reinforcement portion includes a first connecting portion, which fixedly connects the first wall surface and the first mounting surface.

[0010] Optionally, the first connecting portion covers at least a portion of the first mounting surface and / or at least a portion of the first wall surface.

[0011] Optionally, there are multiple first connection parts, and the multiple first connection parts are arranged at intervals.

[0012] Optionally, two first connection portions are respectively located at opposite ends of the extension direction of the substrate, and at least one first connection portion is provided between the two first connection portions.

[0013] Optionally, the top sealing portion includes a first groove portion, the first groove portion and the end surface of the body form one of the accommodating portions, and the first wall surface is an inner wall surface of the first groove portion.

[0014] Optionally, the first connection portion is formed by applying a curing material.

[0015] Optionally, the top seal portion has a second groove portion on the side facing away from the first wall surface, the second groove portion and the end surface of the main body form another accommodating portion, the second groove portion has a second wall surface facing away from the first wall surface, and the reinforcement portion also includes at least one second connecting portion arranged on the second wall surface, and the at least one second connecting portion is located in the second groove portion.

[0016] Optionally, the second connection portion is formed by applying a curing material.

[0017] Optionally, the substrate is a flexible circuit board, or

[0018] The substrate is a printed circuit board, or

[0019] The substrate includes a printed circuit board and a flexible circuit board. The first mounting surface is located on the printed circuit board. The flexible circuit board is connected to the printed circuit board and is provided with connector terminals.

[0020] Optionally, the substrate includes a bendable area, and the protection plate includes a connector terminal arranged in the bendable area.

[0021] Optionally, the protection plate further includes a plurality of electronic components arranged on the substrate, and at least some of the electronic components are arranged on the first mounting surface and covered by the first connecting portion.

[0022] Optionally, the battery cell includes at least one tab extending beyond the top seal portion, and the at least one tab is electrically connected to the protection plate.

[0023] Optionally, the at least one tab is connected to a side of the protection plate facing the top seal portion and / or the other side facing away from the top seal portion.

[0024] According to a second aspect of the present disclosure, an electric device is provided, which includes the battery described above.

[0025] Through the above technical solution, a battery and an electrical device are provided. The battery includes a battery cell, a protective plate and a reinforcement portion. The reinforcement portion and the protective plate are located in the accommodating portion formed by the top seal portion, and the top seal portion and the reinforcement portion are capable of forming a reinforcement structure of the protective plate. In this way, the top seal portion and the reinforcement portion protruding from the end face of the battery cell body are used to improve the structural strength of the protective plate, that is, the protective plate can be fixed to the end face of the battery cell body through the reinforcement portion and / or the top seal portion on the one hand, and on the other hand, the battery's own structure, namely the top seal portion and the reinforcement portion, can be used to achieve the purpose of reinforcing the protective plate. Therefore, even if the battery energy density is increased and a lightweight design is achieved by reducing the thickness of the protective plate, the structural strength of the protective plate can be guaranteed, and the head space where the battery end face is located can be reasonably utilized. Furthermore, the electrical device equipped with the battery can also achieve an increase in battery energy density, a lightweight design, and ensure structural strength and stability.

[0026] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following detailed description, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0028] Figure 1 is a first structural schematic diagram of a battery provided according to an embodiment of the present disclosure;

[0029] Figure 2 is a second structural schematic diagram of a battery provided according to an embodiment of the present disclosure;

[0030] Figure 3 is a first structural schematic diagram of a reinforcement portion provided according to an embodiment of the present disclosure;

[0031] Figure 4 is a third structural schematic diagram of a battery provided according to an embodiment of the present disclosure;

[0032] Figure 5 is a fourth structural schematic diagram of a battery provided according to an embodiment of the present disclosure;

[0033] Figure 6 2 is a second structural schematic diagram of a reinforcement portion provided according to an embodiment of the present disclosure.

[0034] Description of Reference Numerals

[0035] 100. Battery;

[0036] 1. Battery cell; 11. Body end surface; 12. Top seal; 121. First groove; 121a. First wall; 122. Second groove; 122a. Second wall; 123. Accommodation; 13. Tab;

[0037] 2. Protective plate; 21. Substrate; 211. First mounting surface; 212. Second mounting surface; 213. Bendable area; 22. Electronic component; 23. Connector terminal;

[0038] 3. Reinforcement part; 31. First connecting part; 32. Second connecting part. DETAILED DESCRIPTION

[0039] The following describes the specific embodiments of the present disclosure in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure and are not intended to limit the present disclosure.

[0040] In the present disclosure, unless otherwise specified, "inside" and "outside" refer to the inside and outside of the corresponding component outline; in addition, it should be noted that the terms used, such as "first" and "second", are used to distinguish one element from another.

[0041] According to the first aspect of the present disclosure, Figure 1 As shown, a battery 100 is provided. The battery 100 may include a battery cell 1, a protective plate 2, and a reinforcement portion 3. The battery cell 1 has a top seal 12 protruding from the end face 11 of the battery cell. The top seal 12 and the end face 11 of the battery cell form at least one receiving portion 123. The protective plate 2 is positioned in the receiving portion 123. The reinforcement portion 3 is fixed in the receiving portion 123. The reinforcement portion 3 and the top seal 12 are fixedly connected. The protective plate 2 is fixedly connected to at least one of the reinforcement 3 and the top seal 12.

[0042] In the technical solution provided by the present disclosure, the reinforcing portion 3 and the protective plate 2 are located in the accommodating portion 123 formed by the top seal portion 12, and the top seal portion 12 and the reinforcing portion 3 can form a reinforcement structure for the protective plate 2. The top seal portion 12 protruding from the end face 11 of the battery cell 1 and the reinforcing portion 3 are used to enhance the structural strength of the protective plate 2. That is, the protective plate 2 can be fixed to the end face 11 of the battery cell 1 on the one hand, and can also be reinforced by utilizing the structure of the battery 100 itself, namely the top seal portion 12 and the reinforcing portion 3. Therefore, even if the thickness of the protective plate 2 is reduced to increase the energy density of the battery 100 and achieve a lightweight design, the structural strength of the protective plate 2 can be guaranteed, and the head space where the battery end face is located can be reasonably utilized.

[0043] In addition, the present disclosure utilizes the accommodation portion 123 formed by the top seal portion 12 and the main body end surface 11 to assemble the protection plate 2 and the reinforcement portion 3 without occupying additional space, thereby ensuring an improved energy density and a lightweight design of the battery 100.

[0044] It should be noted that due to the dynamic electrochemical reaction inside the battery 100, it is relatively sensitive to moisture and oxygen. The organic solvents present in the battery cell 1, such as the electrolyte, will quickly react with the lithium salt in the electrolyte when exposed to water, oxygen, etc. to generate a large amount of HF, affecting the electrochemical performance of the battery cell (such as capacity and cycle life). Therefore, the battery cell 1 needs to be packaged accordingly. Usually, the battery cell 1 is packaged by hot pressing of aluminum-plastic film. The aluminum-plastic film packaging structure located on the side of the battery cell 1 can be understood as the side sealing part, and the aluminum-plastic film packaging structure located on the top of the battery cell 1 can be understood as the top sealing part 12 mentioned above in this application. Therefore, it can be understood that the top sealing part 12 described in this application can be an installation position formed by the aluminum-plastic film, and the protective plate 2 is fixed to the installation position by the reinforcement part 3 and / or the top sealing part 12 to achieve the reinforcement purpose.

[0045] Furthermore, the protective plate 2 can be fixedly connected to the top seal portion 12 via, for example, a reinforcing portion 3. As will be described below, the reinforcing portion 3 includes a first connecting portion 31. The protective plate 2 can be fixedly connected to the top seal portion 12 via the first connecting portion 31. The first connecting portion 31 and the top seal portion 12 simultaneously form a reinforcing structure for the protective plate 2. The first connecting portion 31 can be formed from a curing material to be described below. Alternatively, the protective plate 2 can be directly connected to the top seal portion 12, for example, by bonding. The reinforcing portion 3 can include a second connecting portion 32 located on the side of the top seal portion 12 facing away from the protective plate 2. The second connecting portion 32 and the top seal portion 12 form a reinforcing structure for the protective plate 2. The second connecting portion 32 can be formed from a curing material to be described below. Alternatively, the protective plate 2 can also be fixedly connected to the top sealing portion 12 and the reinforcement portion 3. For example, the protective plate 2 can be adhered to the top sealing portion 12, and the reinforcement portion 3 can be arranged around the protective plate 2, wherein the reinforcement portion 3 is located in the accommodating portion 123 so as not to occupy additional space. The reinforcement portion 3 can be formed using the curing material to be described below.

[0046] In some embodiments, as Figure 2 As shown, the top seal portion 12 may include a first wall surface 121a. The protective plate 2 may include a base plate 21. The base plate 21 has a first mounting surface 211 opposite the first wall surface 121a. The reinforcement portion 3 includes a first connecting portion 31. The first connecting portion 31 is fixedly connected between the first wall surface 121a and the first mounting surface 211. Thus, the first mounting surface 211 and the first wall surface 121a are fixedly connected via the first connecting portion 31. This surface-to-surface arrangement and fixed fit enhances the reinforcement of the base plate 21 and provides greater stability.

[0047] In addition, the first wall 121a can be perpendicular to or inclined to the end face of the battery 100. This arrangement allows the substrate 21 to be erected in the end face space of the battery 100, parallel to the top seal portion 12, thereby avoiding the substrate 21 from further increasing the size of the battery 100 in the thickness direction and affecting the energy density of the battery 100.

[0048] In some embodiments, as Figure 2 As shown, the first connecting portion 31 covers at least a portion of the first mounting surface 211 and / or at least a portion of the first wall 121a. For example, the first connecting portion 31 may completely cover the first mounting surface 211 and / or the first wall 121a to enhance the reinforcement of the substrate 21. The first connecting portion 31 may also partially cover the first mounting surface 211 and / or the first wall 121a to save costs. This is not a limitation, and those skilled in the art may adjust the design based on actual circumstances.

[0049] Specifically, in some embodiments, Figure 2 and Figure 3 As shown, there are multiple first connection parts 31. The multiple first connection parts 31 are arranged at intervals. This design method can ensure that the first connection parts 31 can not only reliably reinforce the substrate 21, but also save the manufacturing cost of the first connection parts 31.

[0050] In some embodiments, the two first connection portions 31 are located at opposite ends of the substrate 21 in the extension direction. At least one further first connection portion 31 is provided between the two first connection portions 31. This design ensures that the protective plate 2 can be securely fixed to the receiving portion 123 formed by the top seal portion 12 via the first connection portions 31.

[0051] In some embodiments, as Figure 2 As shown, the top seal portion 12 may include a first groove 121. The first groove 121 and the body end surface 11 form a receiving portion 123. The first wall 121a is the inner wall of the first groove 121. The arrangement of the first groove 121 provides a more secure mounting position for the protective plate 2 and the first connecting portion 31. This arrangement also reduces the space occupied by the battery 100 in the thickness direction, thereby improving the energy density of the battery 100.

[0052] In some embodiments, the first connection portion 31 can be formed by applying a curing material. For example, the curing material may include epoxy resin glue, polyurethane glue, organic silicone water, acrylic glue, etc., which are not limited here, and those skilled in the art can make a choice according to actual conditions. Furthermore, the formation of the curing material can be formed by injection molding or glue pouring process. In order for those skilled in the art to better understand the injection molding and glue pouring processes, the two will be explained in comparison below: glue pouring is a kind of filling, which refers to filling liquid material into the inside of the filler or profile to form a hardened filling body; and injection molding is a kind of molding, which refers to a processing method in which molten plastic material is pressed into a mold according to the requirements of a certain cavity, so that it solidifies to form a plastic part. Regardless of the molding process, as long as the formation of the first connection portion 31 can be achieved, it will be sufficient.

[0053] In some embodiments, as Figure 2 、 Figure 4 Figure 5 and Figure 6 As shown, the top seal portion 12 has a second groove portion 122 on the side away from the first wall surface 121a. The second groove portion 122 and the end surface 11 of the main body form another accommodating portion 123. The second groove portion 122 has a second wall surface 122a opposite to the first wall surface 121a. The reinforcement portion 3 may also include at least one second connection portion 32 provided on the second wall surface 122a. The at least one second connection portion 32 is located in the second groove portion 122. The setting of the second groove portion 122 provides a more reliable installation position for the second connection portion 32, so as to further enhance the structural strength of the protective plate 2 without occupying additional space in the thickness direction of the battery 100, thereby improving the stability of the battery 100. Furthermore, the setting of the second connection portion 32 can further cooperate with the first connection portion 31 and the top seal portion 12 to achieve a reinforcing and compensating effect on the protective plate 2.

[0054] In summary, the top seal portion 12 can be bent along the thickness of the battery 100 to form the first groove 121 and the second groove 122, respectively. The spatial ratio between the first groove 121 and the second groove 122 depends on the degree of bending of the top seal portion 12. If the space in the first groove 121 is small, the thickness of the first connecting portion 31 can be designed to be thinner. However, this will reduce the structural reinforcement effect of the first connecting portion 31 on the protective plate 2. Therefore, the second connecting portion 32 can be provided in the second groove 122 to further reinforce the protective plate 2, avoiding the problem of insufficient reinforcement when the first connecting portion 31 is designed to be thinner.

[0055] It should also be noted that the formation of the second groove portion 122 is usually a derivative product produced by the battery cell sealing process, that is, it can be understood that when the second groove portion 122 exists, the second connecting portion 32 can be set in the second groove portion 122. If, for example, a thinner battery does not exist in the case of a second groove portion 122, glue can be directly filled in the electronic component 22 and the top sealing portion 12 without the above-mentioned second connecting portion 32.

[0056] In some embodiments, the second connection portion 32 can be formed by applying a curing material. For example, the curing material may include epoxy resin glue, polyurethane glue, organic silicone water, acrylic glue, etc., which are not limited here, and those skilled in the art can choose according to actual conditions. Furthermore, the formation of the curing material can be formed by injection molding or glue pouring process. In order for those skilled in the art to better understand the injection molding and glue pouring processes, the two will be compared and explained below: glue pouring is a kind of filling, which refers to filling liquid material into the inside of the filler or profile to form a hardened filling body; and injection molding is a kind of molding, which refers to the molten plastic material, according to the requirements of a certain cavity, pressed into the mold, and solidified to form a plastic part. Regardless of the molding process, as long as the formation of the second connection portion 32 can be achieved, it will be sufficient.

[0057] In some embodiments, the substrate 21 is a flexible circuit board. Alternatively, the substrate 21 is a printed circuit board. Alternatively, the substrate 21 may include both a printed circuit board and a flexible circuit board. The first mounting surface 211 is located on the printed circuit board, which is connected to the printed circuit board and provided with connector terminals. It should be noted that when the substrate 21 comprises only the flexible circuit board, the electronic components 22 can be disposed on the flexible circuit board, the tabs 13 of the battery cell 1 can be connected to the flexible circuit board, and the connector terminals 23 (described in detail below) can also be disposed on the flexible circuit board. Alternatively, the printed circuit board and the flexible circuit board are connected, with the electronic components 22 disposed on the printed circuit board and the connector terminals 23 disposed on the flexible circuit board.

[0058] In some embodiments, as Figure 2As shown, the substrate 21 may include a bendable region 213. The protective plate 2 includes a connector terminal 23 disposed in the bendable region 213. The connector terminal 23 is used to connect to an electrical device and / or a charging port. The bendable region 213 can be bent according to the specific connection position between the connector terminal 23 and the electrical device and / or the charging port, so that the connector terminal 23 can better connect to the electrical device and / or the charging port, thereby having good reliability. The bendable region 213 can be formed by the above-mentioned flexible circuit board.

[0059] In some embodiments, as Figure 2 As shown, the protection plate 2 may also include a plurality of electronic components 22 arranged on the substrate 21. At least part of the electronic components 22 are arranged on the first mounting surface 211 and are covered by the first connecting portion 31. For example, the electronic components 22 arranged on the substrate 21 may generally include a control IC, a MOS switch, a resistor, a capacitor, and auxiliary components NTC, an ID memory, and the like. The working principle of the protection plate 2 in the battery 100 belongs to the prior art, and for the sake of brevity, its working principle will not be described here. In the present disclosure, at least part of the electronic components 22 arranged on the first mounting surface 211 can be covered by the first connecting portion 31, so that the first connecting portion 31 can form a certain protective effect on the electronic components 22 and improve their reliability. Furthermore, in the related art, the protection plate 2 is arranged at the end face space of the battery 100, and adhesive tape needs to be provided on the end face 11 of the battery cell 1 to prevent the electronic components 22 on the protection plate 2 from piercing the packaging film of the battery cell 1 and causing safety accidents such as leakage and short circuit. In the technical solution disclosed herein, a reinforcing portion 3 is provided between the top sealing portion 12 and the protective plate 2 , which can omit adhesive tape, save materials, and reduce costs.

[0060] Furthermore, it is understandable that if Figure 2 As shown, the substrate 21 may further have a second mounting surface 212 disposed opposite the first mounting surface 211. The electronic components 22 may be partially disposed on the first mounting surface 211 and partially disposed on the second mounting surface 212. The placement of the electronic components 22 is not limited herein and may be adjusted by those skilled in the art based on actual circumstances.

[0061] In some embodiments, the battery cell 1 includes at least one tab 13 extending beyond the top seal 12. At least one tab 13 is electrically connected to the protection plate 2. For example, the positive tab or negative tab of the battery cell extends beyond the top seal 12 to be electrically connected to the protection plate 2, while the other tab can be directly electrically connected to, for example, an electrical device to achieve, for example, grounding; or, both the positive tab and the negative tab of the battery cell extend beyond the top seal to be connected to the protection plate 2, which is not specifically limited in the present disclosure. The battery cell 1 is connected to the protection plate 2 through the tab 13, thereby being able to protect the battery 100. Furthermore, at least one tab 13 is connected to the side of the protection plate 2 facing the top seal 12 and / or the other side away from the top seal 12, that is, the tab can be connected to the first mounting surface 211 or the second mounting surface 212, which is not specifically limited in the present disclosure.

[0062] According to a second aspect of the present disclosure, an electrical device is provided. The electrical device may include the battery 100 described above. The electrical device equipped with the battery 100 can also achieve an increase in the energy density of the battery 100, a lightweight design, and ensure structural strength and stability.

[0063] Electrical equipment can be vehicles, mobile phones, portable devices, laptops, ships, spacecraft, electric toys, and electric tools, etc. Vehicles can be fuel vehicles, gas vehicles, or new energy vehicles. New energy vehicles can be pure electric vehicles, hybrid vehicles, or extended-range vehicles, etc. Spacecraft include airplanes, rockets, space shuttles, and spacecraft, etc. Electric toys include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Electric tools include metal cutting electric tools, grinding electric tools, assembly electric tools, and railway electric tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators, and electric planers, etc. The embodiments of the present application do not impose any special restrictions on the above-mentioned electrical equipment.

[0064] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the scope of protection of the present disclosure.

[0065] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0066] In addition, the various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A battery, characterized in that: include: A battery cell, wherein the battery cell has a top seal portion protruding from an end surface of a body, wherein the top seal portion and the end surface of the body form at least one accommodating portion; a protective plate, the protective plate being located in the accommodating portion; as well as The reinforcing portion is fixed in the accommodating portion, the reinforcing portion is fixedly connected to the top sealing portion, and the protective plate is fixedly connected to at least one of the reinforcing portion and the top sealing portion.

2. The battery according to claim 1, characterized in that The top sealing portion includes a first wall surface, the protection plate includes a base plate, the base plate has a first mounting surface opposite to the first wall surface, and the reinforcing portion includes a first connecting portion fixedly connecting the first wall surface and the first mounting surface.

3. The battery according to claim 2, characterized in that The first connecting portion covers at least a portion of the first installation surface and / or at least a portion of the first wall surface.

4. The battery according to claim 2, characterized in that There are multiple first connection parts, and the multiple first connection parts are arranged at intervals.

5. The battery according to claim 4, characterized in that The two first connection portions are respectively located at two opposite ends of the extension direction of the substrate, and at least one first connection portion is provided between the two first connection portions.

6. The battery according to claim 2, characterized in that The top sealing portion includes a first groove portion, the first groove portion and the end surface of the body form one of the accommodating portions, and the first wall surface is an inner wall surface of the first groove portion.

7. The battery according to claim 2, characterized in that The first connection portion is formed by applying a curing material.

8. The battery according to any one of claims 2 to 7, characterized in that: The top seal portion has a second groove portion on the side facing away from the first wall surface, the second groove portion and the end surface of the main body form another accommodating portion, the second groove portion has a second wall surface facing away from the first wall surface, and the reinforcement portion also includes at least one second connecting portion arranged on the second wall surface, and the at least one second connecting portion is located in the second groove portion.

9. The battery according to claim 8, characterized in that The second connection portion is formed by applying a curing material.

10. The battery according to any one of claims 2 to 7, characterized in that: The substrate is a flexible circuit board, or The substrate is a printed circuit board, or The substrate includes a printed circuit board and a flexible circuit board. The first mounting surface is located on the printed circuit board. The flexible circuit board is connected to the printed circuit board and is provided with connector terminals.

11. The battery according to any one of claims 2 to 7, characterized in that: The substrate includes a bendable area, and the protection plate includes a connector terminal disposed in the bendable area.

12. The battery according to any one of claims 2 to 7, characterized in that: The protection plate further includes a plurality of electronic components disposed on the substrate, and at least some of the electronic components are disposed on the first mounting surface and are covered by the first connecting portion.

13. The battery according to any one of claims 1 to 7, characterized in that The battery cell includes at least one tab extending beyond the top seal portion, and the at least one tab is electrically connected to the protection plate.

14. The battery according to claim 13, characterized in that The at least one tab is connected to a side of the protection plate facing the top seal portion and / or the other side facing away from the top seal portion.

15. An electrical device, characterized in that: A battery comprising the battery according to any one of claims 1 to 14.

Images